The function is defined for all real

MATHEMATICS · Single correct · AP · AP Precalculus · Exponential and Logarithmic Functions · Exponential and Logarithmic Functions

Problem

2. The function f(x)=−2⋅5xf(x)=-2\cdot5^{x} is defined for all real xx. Which of the following is its range? (a) (−∞,−2](-\infty,-2] (b) (−∞,0)(-\infty,0) (c) (0,∞)(0,\infty) (d) (−∞,0](-\infty,0]

Related theory

Browse the problem library